1,6-Hexanediamine, N,N'-bis(3-phenyl-2-propenylidene)- 1,6-Hexanediamine, N,N'-dicinnamylidene- 140-73-8 Bis(cinnamylidene)hexamethylenediamine Diak 3 Diak no. 3 Dicinnamylidene hexamethylenediamine N,N'-Dicinnamylidene-1,6-hexamethylenediamine N,N'-Dicinnamylidene-1,6-hexanediamine N,N'-Dicinnamylidene-1,6-hexylenediamine N,N'-Dicinnamylidenehexamethylenediamine NSC56776